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问题
填空题
科学家所说的“第七类营养素”是_____________。
答案
膳食纤维
选择题
Neither I nor he ______ compared the prices of the PC, so ______ he ______ I decided to know more
before buying it.
A. has; both; and
B. have; not only; but also
C. hasn't; either; or
D. haven't; neither; nor
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单项选择题
能形成半月板的结构是（）
A.浆液腺泡
B.黏液腺泡
C.混合性腺泡
D.闰管
E.分泌管
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